Types of House Extension Explained The main types of house extension are the single storey rear extension, the double storey (or two storey) extension, the side return extension, the wrap-around extension, and the multi-storey extension, each suited to a different combination of plot, budget and existing structure, and none of them the automatically "right" choice [...]

How Long Does a House Extension Take? A house extension runs through a fixed sequence of stages, from a feasibility visit and survey through design, planning, Building Control, groundworks, structure, first fix, plaster, second fix and decoration to a completion certificate, and how long each of those stages takes depends on the size and complexity [...]

Single Storey or Double Storey Extension: Which Is Right? A single storey extension is right when the problem is genuinely confined to the ground floor, the budget and disruption need to stay lower, and the planning route needs to stay as simple as possible, whilst a double storey extension is right when you need more [...]

Do You Need Planning Permission for a House Extension? Many house extensions can be built without applying for full planning permission, because they fall under a right called permitted development, but a meaningful proportion cannot, and the only reliable way to know which category your project falls into is to check it against your specific [...]

How Much Does a House Extension Cost? A house extension is a five-figure to six-figure project, and the honest position is that Excellence Living cannot give you a single number until we have stood in your garden, looked at your foundations and your existing structure, and understood exactly what you want the new space to [...]